101575243 has 16 divisors (see below), whose sum is σ = 127431936. Its totient is φ = 78654240.

The previous prime is 101575231. The next prime is 101575261. The reversal of 101575243 is 342575101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-101575243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101575043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8505 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (7964496).

Almost surely, 2^101575243 is an apocalyptic number.

101575243 is a deficient number, since it is larger than the sum of its proper divisors (25856693).

101575243 is a wasteful number, since it uses less digits than its factorization.

101575243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 101575243 is about 10078.4543953922. The cubic root of 101575243 is about 466.5834069716.

It can be divided in two parts, 10157 and 5243, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 101575243 in words is "one hundred one million, five hundred seventy-five thousand, two hundred forty-three".